CN116295247A - Tunnel vault subsides measuring equipment - Google Patents

Tunnel vault subsides measuring equipment Download PDF

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Publication number
CN116295247A
CN116295247A CN202310250158.3A CN202310250158A CN116295247A CN 116295247 A CN116295247 A CN 116295247A CN 202310250158 A CN202310250158 A CN 202310250158A CN 116295247 A CN116295247 A CN 116295247A
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CN
China
Prior art keywords
measuring
sensing
rod
data processing
processing module
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Pending
Application number
CN202310250158.3A
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Chinese (zh)
Inventor
周明珲
王赞
陈佳悦
孔梦妍
梁宇龙
周云响
顾家臣
石鹏
王关思宇
王兴中
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Beijing Jianyetong Engineering Testing Technology Co ltd
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Beijing Jianyetong Engineering Testing Technology Co ltd
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Application filed by Beijing Jianyetong Engineering Testing Technology Co ltd filed Critical Beijing Jianyetong Engineering Testing Technology Co ltd
Priority to CN202310250158.3A priority Critical patent/CN116295247A/en
Publication of CN116295247A publication Critical patent/CN116295247A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The utility model relates to a tunnel engineering construction's field especially relates to a tunnel vault subsides measuring equipment, and it includes measures the base, be provided with data processing module and display module on the measurement base, display module with data processing module connects, and the measuring stick is vertical to be installed on the measurement base, measure the sensing component, install the measuring stick is kept away from the one end of measuring the base, and with the data processing module electricity is connected, measure the sensing component and keep away from the one end of measuring stick is used for the vault butt with the tunnel, it is used for converting the settlement volume of tunnel vault into the electrical signal to measure the sensing component to transmit this electrical signal to data processing module. The settlement amount of the tunnel vault is converted into an electric signal through the measurement sensing assembly, and the electric signal is transmitted into the data processing module for processing analysis, so that the detection accuracy is improved relative to a detection mode of naked eye observation.

Description

Tunnel vault subsides measuring equipment
Technical Field
The application relates to the field of tunnel engineering construction, in particular to a tunnel vault settlement measurement device.
Background
In the tunneling process of the tunnel, the vault of the tunnel which is tunneling needs to be subjected to settlement measurement, because the settlement of the vault of the tunnel is difficult to observe by naked eyes of constructors in the early stage, if the settlement is not timely and effectively treated, the long-time settlement is easy to cause roof falling potential safety hazard.
At present, a special measuring scale for a tunnel is often used for measuring the vault settlement, namely, the vault height at the same position is repeatedly compared for a plurality of times in a period of time, so as to calculate the settlement degree of the tunnel vault. The manner of reading by naked eyes is influenced by personal expertise of a reader, so that the settlement measurement precision of the tunnel vault is not high.
The inventors therefore consider that a dedicated tunnel vault settlement gauge is required for detection measurements.
Disclosure of Invention
In order to improve the accuracy of tunnel vault settlement degree detection, the application provides a tunnel vault settlement measurement equipment.
The application provides a tunnel vault subsides measuring equipment adopts following technical scheme:
the tunnel vault settlement measurement equipment comprises a measurement base, wherein a data processing module and a display module are arranged on the measurement base, the display module is connected with the data processing module,
a measuring rod vertically arranged on the measuring base,
the measuring and sensing assembly is installed at one end of the measuring rod, which is far away from the measuring base, and is electrically connected with the data processing module, one end of the measuring and sensing assembly, which is far away from the measuring rod, is used for being abutted to the vault of the tunnel, and the measuring and sensing assembly is used for converting the settlement of the vault of the tunnel into an electric signal and transmitting the electric signal to the data processing module.
Through adopting above-mentioned technical scheme, set up measurement sensing subassembly and data processing module, turn into the electrical signal with the settlement volume of tunnel vault, this electrical signal can transmit to data processing module in real time, data processing module turns into the settlement volume of tunnel vault with this electrical signal to draw the settlement curve according to the tunnel vault settlement volume that different time periods detected, the measuring personnel of being convenient for can audio-visual observation compare, improved measuring accuracy.
Optionally, the measuring and sensing assembly comprises a measuring sleeve arranged on the measuring rod, a sensing rod slidingly connected in the measuring sleeve, a sensing spring arranged between the measuring sleeve and the sensing rod, and a sensing piece arranged between the measuring sleeve and the sensing rod, wherein the sensing piece is electrically connected with the data processing module,
the sensing spring is sleeved on the sensing rod, one end of the sensing spring is fixedly connected with the bottom of the measuring sleeve, and the other end of the sensing spring is fixedly connected with the outer wall of the sensing rod.
Through adopting above-mentioned technical scheme, response spring provides holding power for the response pole, and when the tunnel vault subsided appears, the change appears in the position in the measuring sleeve that response pole compression response spring made the response pole, and this position change is gathered by the sensing piece and is formed the signal of telecommunication to with signal transmission to data processing module, carry out data processing, be convenient for improve the accuracy nature that detects.
Optionally, the sensing piece is including installing resistance on the measuring stick and install sensing pointer on the measuring sleeve, the sensing pointer is kept away from measuring sleeve's one end butt is in on the resistance, sensing pointer with the resistance all with data processing module uses cable junction.
By adopting the technical scheme, when the induction rod moves downwards because of the sinking of the tunnel vault, the resistance of the current passing through changes, and then the electric signal transmitted to the data processing module changes.
Optionally, the shape of sensing pointer is "]" style of calligraphy, the sensing pointer is kept away from the one end of resistance runs through the measuring sleeve stretches into inside, the measuring stick is inside hollow structure, the cable wears to establish measuring sleeve with measuring stick is inside.
Through adopting above-mentioned technical scheme, with the cable setting in the inside of measuring sleeve and measuring stick, not only can improve the holistic structural neatly nature of this application measuring equipment to can reduce the probability that the cable wets malfunctioning.
Optionally, the sensing piece includes the displacement sensor body of installing on the measuring sleeve outer wall and install the gleitbretter on the induction rod outer wall, the displacement sensor body with the data processing module electricity is connected.
Through adopting above-mentioned technical scheme, when the induction rod subsides because tunnel vault and appears moving down, the gleitbretter appears changing with the distance between the displacement sensor to change into the signal of telecommunication and transmit to data processing module in real time, the settlement volume of tunnel vault is gathered in the data processing module of being convenient for in real time.
Optionally, the measuring rod is the telescopic link, the measuring rod is including installing first installation pole, sliding connection on the measurement base are in second installation pole in the first installation pole and sliding connection are in the third installation pole in the second installation pole, all use locking joint to carry out the state locking between two adjacent installation poles, the measurement sleeve is installed the third installation pole is kept away from the one end of second installation pole.
By adopting the technical scheme, the measuring rod is a telescopic rod, so that the measuring rod is convenient to shrink in a non-detection state, and the storage space is saved; when detection is needed, the locking joints for fixing the two adjacent mounting rods are loosened, the third mounting rod is pulled out of the second mounting rod in sequence, the second mounting rod is pulled out of the first mounting rod, and then the locking joints are reused for fixing the relative positions between the two adjacent mounting rods.
Optionally, the one end that first installation pole kept away from the measurement base is formed with connecting portion, processing has the external screw thread on the outer wall of connecting portion, locking joint include with connecting portion screw thread complex swivel nut and integrated into one piece are in the joint cover that first installation pole one end was kept away from to the swivel nut, the joint cover is established on the second installation pole.
Through adopting above-mentioned technical scheme, when locking joint is in the locking state, swivel mount and connecting portion threaded connection, the inner wall of joint cover supports tightly with the terminal surface that the first installation pole kept away from measurement base one end to fix the relative position of first installation pole and second installation pole.
Optionally, the clamping sleeve comprises a clamping ring sleeved on the second mounting rod and a slope-shaped abutting ring connected between the clamping ring and the rotating sleeve,
the end part of the connecting part is provided with a plurality of notches extending along the longitudinal direction, so that the connecting part comprises a plurality of arc plates with deformation capability, and one end of each arc plate, which is far away from the measuring base, is provided with an abutting surface which abuts against the inner wall of the slope-shaped abutting ring;
the outside cover of second installation pole is equipped with the rubber circle, the rubber circle is located the below of snap ring.
Through adopting above-mentioned technical scheme, when first installation pole and second installation pole are in active condition, the locking is located the second installation pole completely, is locking for rotating sleeve gradually with connecting portion screw-thread fit, afterwards the butt face of a plurality of arc receives the extrusion of slope shape butt ring and embraces on the rubber ring, and revolves soon gradually along with rotating sleeve, the arc is inseparabler to embracing of second installation pole, has reduced the probability that the second installation pole appears sliding and then influences measurement accuracy.
Optionally, the measuring sensor assembly further comprises an arc-shaped contact plate installed at one end of the sensing rod far away from the measuring sleeve, the shape of the arc-shaped contact plate is attached to the shape of the tunnel vault, a pressure sensor is installed on the arc-shaped contact plate, and the pressure sensor is electrically connected with the data processing module.
By adopting the technical scheme, the arc-shaped contact plate can increase the contact area between the induction rod and the tunnel vault and reduce the pressure intensity between the induction rod and the tunnel vault; the pressure sensor can transmit the abutting force between the arc-shaped contact plate and the tunnel vault to the data processing module in real time, and display the abutting force through the induction electronic screen, and when the abutting force reaches a preset value, the relative positions of the first installation rod and the second installation rod are fixed through the locking joint.
Optionally, the hinge fixing component is used for realizing hinge and fixing between the measuring sleeve and the third mounting rod and between the first mounting rod and the measuring base.
By adopting the technical scheme, the hinged fixing assembly can keep the vertical states of the measuring rod, the measuring sleeve and the measuring base when in a detection state; when non-measurement state for measuring stick and measurement sleeve rotate, save this application measuring equipment's accommodation space.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the method, the device and the system, the measuring and sensing assembly contacted with the tunnel vault and the data processing module for data processing are arranged, so that real-time settlement of the tunnel vault is conveniently converted into an electric signal and transmitted to the data processing module for processing, and the measuring precision of the settlement of the tunnel vault is improved;
2. through the arrangement of the resistor and the sensing pointer, when the sensing rod moves downwards due to the settlement of the tunnel vault, the resistor through which the current passes changes, so that the electric signal transmitted to the data processing module also changes, and the data processing module can process the transmitted electric signal to obtain the change value and the change degree of the settlement amount;
3. through the setting of arc contact plate and pressure sensor, can control the projecting amount of measuring stick through pressure sensor transmission to data processing module's numerical value, improved the precision that detects.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1 of the present application.
Fig. 2 is a schematic cross-sectional view of the structure for embodying the inside in embodiment 1 of the present application.
Fig. 3 is a schematic partial cross-sectional view of a structure embodying a locking joint.
Fig. 4 is a logic block diagram of the present application.
Fig. 5 is a partial schematic view showing the structure of the sensor in embodiment 2.
Reference numerals illustrate: 1. a measuring base; 2. a measuring rod; 21. a first mounting bar; 22. a connection part; 221. a notch; 222. an arc-shaped plate; 223. an abutment surface; 23. a second mounting bar; 24. a third mounting bar; 3. a measurement sensing assembly; 31. measuring the sleeve; 32. an induction spring; 33. an induction rod; 34. a sensor member; 341. a resistor; 342. a sensing pointer; 343. a cable; 344. a displacement sensor body; 345. a sliding sheet; 4. a data processing module; 5. a display module; 51. sensing an electronic screen; 6. locking the joint; 61. a rotating sleeve, 62, a clamping sleeve; 621. a clasp; 622. a sloping abutment ring; 63. a rubber ring; 7. a pressure sensor; 8. a hinged fixing assembly; 81. a fixing plate, 82, fixing a jackscrew; 9. an arc-shaped contact plate; 10. and a brake universal wheel.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses tunnel vault subsidence measurement equipment.
Example 1
Referring to fig. 1 and 4, the tunnel vault settlement measurement apparatus includes a measurement base 1, a measurement rod 2 vertically mounted on the measurement base 1, and a measurement sensing assembly 3 mounted at an end of the measurement rod 2 remote from the measurement base 1. The measuring base 1 is provided with a data processing module 4 and a display module 5, and the display module 5 is connected with the data processing module 4. The measuring and sensing assembly 3 is electrically connected with the data processing module 4, one end, away from the measuring rod 2, of the measuring and sensing assembly 3 is used for being abutted against the tunnel vault so as to convert the settlement of the tunnel vault into an electric signal, the electric signal is transmitted to the data processing module 4, the data processing module 4 processes the time of change according to the received electric signal and the trend of change of the electric signal, a settlement change curve of the tunnel vault is drawn, and the settlement change curve is displayed through the display module 5, so that detection personnel can check the settlement change conveniently.
Referring to fig. 2, the measuring sensor assembly 3 includes a measuring sleeve 31 mounted on the measuring rod 2, a sensing rod 33 slidably coupled within the measuring sleeve 31, a sensing spring 32 mounted between the measuring sleeve 31 and the sensing rod 33, and a sensing member 34 mounted between the measuring sleeve 31 and the sensing rod 33. The sensor element 34 is electrically connected to the data processing module 4. The sensing spring 32 is sleeved on the sensing rod 33, one end of the sensing spring 32 is fixed with the outer wall of the sensing rod 33, and the other end of the sensing spring 32 is fixedly connected with the bottom of the measuring sleeve 31. When the tunnel vault is settled, the sensing rod 33 is lowered to compress the sensing spring 32, and the sensing piece 34 senses the displacement of the sensing rod 33, so that the displacement change is converted into an electric signal and transmitted to the data processing module 4.
Referring to fig. 2, the sensing member 34 includes a resistor 341 mounted on the measuring rod 2 and a sensing pointer 342 mounted on the measuring sleeve 31, an end of the sensing pointer 342 remote from the measuring sleeve 31 abuts against the resistor 341, and both the sensing pointer 342 and the resistor 341 are connected with the data processing module 4 by using a cable 343. The use of cable 343 connections can save the cost of electrical signal transmission. When the tunnel vault is settled, the sensing rod 33 is pressed down, so that the relative positions of the sensing pointer 342 and the resistor 341 are changed relatively, the resistor 341 through which the current passes is changed, and therefore, the electric signal transmitted to the data processing module 4 through the cable 343 is changed. The electric signals are collected and processed by the data processing module 4 and converted into settlement of the vault of the tunnel, and the data processing module 4 can draw a settlement curve according to the settlement time and settlement of the vault, so that analysis and coping are facilitated.
Referring to fig. 1, the sensing module is a sensing electronic screen 51 mounted on the measuring base 1, and the sensing electronic screen 51 is convenient for displaying the data generated by the data processing module 4 in real time, so as to be convenient for a inspector to observe.
In order to facilitate the detection personnel to keep the historical data for subsequent comparison analysis, the data processing module 4 uses a chip, so that the historical data can be stored in real time during real-time data analysis, and subsequent arrangement and comparison analysis work are facilitated.
Referring to fig. 2, the sensing finger 342 is shaped as a "]" and one end of the sensing finger 342, which is far from the resistor 341, penetrates into the inside of the measuring sleeve 31 and is fixedly connected with the sidewall of the measuring sleeve 31 to fix the position of the sensing finger 342. The measuring rod 2 is of a hollow structure, the cable 343 is arranged inside the measuring sleeve 31 and the measuring rod 2 in a penetrating mode, the whole appearance structure of the measuring rod is simpler, and the probability that the cable 343 is exposed to the outdoor air and is wetted can be reduced.
Referring to fig. 1 and 3, measuring stick 2 is the telescopic link, is convenient for accomodate when non-detection state, reduces occupation of land space to the measuring equipment of this application of being convenient for can adapt to the vault settlement measurement in different high tunnels, and application scope is more extensive.
Specifically, the measuring rod 2 includes a first mounting rod 21 mounted on the measuring base 1, a second mounting rod 23 slidably connected in the first mounting rod 21, and a third mounting rod 24 slidably connected in the second mounting rod 23, and state locking is performed between two adjacent mounting rods by using the locking joint 6. The measuring sleeve 31 is mounted at the end of the third mounting bar 24 remote from the second mounting bar 23. The number of mounting bars and the respective length can be adjusted according to the height of the actual tunnel vault, and the application is described only by taking the case that the number of the mounting bars is provided with three.
The two locking tabs 6 and the three mounting bars are identical in construction, differing only in the mounting location, and the present application will be described with reference to the locking tabs 6 securing the first mounting bar 21 and the second mounting bar 23. A connection portion 22 is formed at an end of the first mounting rod 21 remote from the measuring base 1, and an external thread is formed on an outer wall of the connection portion 22. The locking joint 6 comprises a rotating sleeve 61 in threaded fit with the connecting part 22 and a clamping sleeve 62 integrally formed at one end of the rotating sleeve 61 far away from the first mounting rod 21, wherein the clamping sleeve 62 is sleeved on the second mounting rod 23. At the time of locking, the rotary sleeve 61 is screwed into the connecting portion 22 on the first mounting rod 21.
In order to reduce the probability of the second mounting rod 23 and the locking sleeve 62 sliding relatively, the locking sleeve 62 includes a snap ring 621 fitted over the second mounting rod 23 and a ramp-shaped abutment connected between the snap ring 621 and the rotating sleeve 61. A rubber ring 63 is sleeved on the second mounting rod 23, and the rubber ring 63 is positioned below the clamping ring 621. A plurality of notches 221 extending longitudinally are formed at one end of the connecting portion 22 away from the measuring base 1, the notches 221 are arranged around the axis of the first mounting rod 21 at intervals, the notches 221 enable the connecting portion 22 to be formed with a plurality of arc plates 222 with deformation capability, and an abutting surface 223 for abutting against the inner wall of the abutting ring is formed at one end of each arc plate away from the measuring base 1. When the second mounting lever 23 is pulled out from the inside of the first mounting lever 21, the rotating sleeve 61 is screwed in the opposite direction so that the rotating sleeve 61 is separated from the connecting portion 22, and then the second mounting lever 23 can be pulled out. When the state locking is carried out, the locking joint 6 is driven to move downwards, the rotating sleeve 61 is gradually matched with the connecting part 22 in a threaded mode, the abutting surface 223 is extruded by the slope abutting ring 622, the arc plates 222 are enabled to simultaneously generate inward shrinkage deformation, the inner sides of the arc plates 222 are abutted against the rubber ring 63, the relative positions between the first mounting rod 21 and the second mounting rod 23 can be firmly fixed, sliding of the second mounting rod 23 is reduced, and therefore the probability of measuring accuracy is affected.
In the non-detection state, most of the third mounting bar 24 is retracted inside the second mounting bar 23, most of the second mounting bar 23 is retracted inside the first mounting bar 21, and the locking joint 6 between two adjacent mounting bars is screwed to fix the relative position between the two adjacent mounting bars. When the measuring equipment is used for detection, the measuring equipment is moved to the position right below a point to be detected of a tunnel vault, then the locking joint 6 of the second mounting rod 23 and the third mounting rod 24 is unscrewed and fixed, the third mounting rod 24 is pulled out completely, then the locking joint 6 is unscrewed and fixed again, then the locking joint 6 of the first mounting rod 21 and the second mounting rod 23 is unscrewed and fixed again, the second mounting rod 23 is pulled out and observed at the same time, the end part of the measuring rod 2 is abutted to stop when the measuring point is reached, and the position between the first mounting rod 21 and the second mounting rod 23 is fixed again by using the locking joint 6.
Referring to fig. 1 and 2, in order to increase the contact area of the sensing rod 33 with the tunnel dome and decrease the pressure between the sensing rod 33 and the tunnel dome, the measurement sensing assembly 3 further includes an arc-shaped contact plate 9 mounted at an end of the sensing rod 33 remote from the measurement sleeve 31, the arc-shaped contact plate 9 being shaped to conform to the curvature of the tunnel dome. Meanwhile, in order to facilitate more accurate determination of the adjustment height of the measuring rod 2, a pressure sensor 7 is mounted on the arc-shaped contact plate 9, and the pressure sensor 7 is electrically connected with the data processing module 4. The abutting force between the arc-shaped contact plate 9 and the tunnel vault is conveniently observed through the induction electronic screen 51, and the adjustment of the length of the measuring rod 2 is conveniently controlled.
In order to adapt to the situation that the measuring equipment needs to frequently move working conditions, the brake universal wheels 10 are arranged at four corners of the measuring base 1.
Referring to fig. 1 and 2, in order to further reduce the receiving space of the measuring apparatus of the present application, both the hinge fixing assembly 8 is used to hinge and fix between the measuring sleeve 31 and the third mounting bar 24 and between the first mounting bar 21 and the measuring base 1. The articulated fixing assembly 8 between the first mounting bar 21 and the measuring base 1 is described as an example. The hinge fixing assembly 8 includes two fixing plates 81 vertically fixed to the measuring base 1 for clamping the first mounting bar 21 and fixing jackscrews 82 respectively penetrating and fixed between each fixing plate 81 and the first mounting bar 21. In the non-measurement state, the four fixing jackscrews 82 are loosened in sequence, so that the first mounting rod 21 can relatively rotate around the measurement base 1, the measurement sleeve 31 can relatively rotate around the third mounting rod 24, and storage space is saved.
The implementation principle of the embodiment 1 is as follows: before the measurement is performed, the fixed jackscrews 82 are unscrewed, the measuring rod 2 is rotated to be perpendicular to the measuring base 1, the measuring sleeve 31 is rotated to be located on the same vertical line with the measuring rod 2, and then the four fixed jackscrews 82 are screwed respectively. And then pushing the measuring base 1 to enable the sensing rod 33 to be positioned right below the to-be-measured point, adjusting the length of the measuring rod 2, observing the data of the pressure sensor 7 displayed on the sensing electronic screen 51 while adjusting, and fixing the relative position of the second mounting rod 23 and the first mounting rod 21 when the data of the pressure sensor 7 reach a preset value. When the tunnel vault is settled, the electric signal transmitted into the data processing module 4 changes, and the data processing module 4 can draw a vault settlement curve according to the time and the change amplitude of the electric signal change, so that the coping is facilitated.
Example 2
Embodiment 2 is identical to the structure of the embodiment except for the difference in the sensor member 34. Referring to fig. 5, the sensor 34 of embodiment 2 includes a displacement sensor body 344 fixed to the outer wall of the measuring sleeve 31 and a sliding piece 345 fixedly mounted to the outer wall of the sensing rod 33, and the displacement sensor body 344 is electrically connected to the data processing module 4. When the tunnel vault is settled, the sensing rod 33 moves downwards together with the sliding sheet 345, so that the displacement sensor generates displacement change, the change is transmitted to the data processing module 4 in real time, the data processing module 4 transmits the change to the sensing electronic screen 51 for real-time display, and the height after each settlement is stored, so that analysis and comparison are convenient to carry out later.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. Tunnel vault subsides measuring equipment, its characterized in that: comprising the following steps:
a measuring base (1), wherein the measuring base (1) is provided with a data processing module (4) and a display module (5), the display module (5) is connected with the data processing module (4),
a measuring rod (2) vertically arranged on the measuring base (1),
the measuring and sensing assembly (3) is installed at one end of the measuring rod (2) far away from the measuring base (1) and is electrically connected with the data processing module (4), one end of the measuring rod (2) far away from the measuring and sensing assembly (3) is used for being abutted to a vault of a tunnel, and the measuring and sensing assembly (3) is used for converting settlement of the vault of the tunnel into an electric signal and transmitting the electric signal to the data processing module (4).
2. The tunnel vault settlement measurement apparatus of claim 1, wherein: the measuring and sensing assembly (3) comprises a measuring sleeve (31) arranged on the measuring rod (2), a sensing rod (33) which is connected in the measuring sleeve (31) in a sliding way, a sensing spring (32) arranged between the measuring sleeve (31) and the sensing rod (33) and a sensing piece (34) arranged between the measuring sleeve (31) and the sensing rod (33), wherein the sensing piece (34) is electrically connected with the data processing module (4),
the sensing spring (32) is sleeved on the sensing rod (33), one end of the sensing spring (32) is fixedly connected with the bottom of the measuring sleeve (31), and the other end of the sensing spring is fixedly connected with the outer wall of the sensing rod (33).
3. The tunnel vault settlement measurement apparatus of claim 2, wherein: the sensing piece (34) comprises a resistor (341) arranged on the measuring rod (2) and a sensing pointer (342) arranged on the measuring sleeve (31), one end, away from the measuring sleeve (31), of the sensing pointer (342) is abutted to the resistor (341), and the sensing pointer (342) and the resistor (341) are connected with the data processing module (4) through a cable (343).
4. A tunnel vault settlement measurement apparatus as claimed in claim 3, wherein: the sensing pointer (342) is shaped like a Chinese character 'zhi', one end of the sensing pointer (342), which is far away from the resistor (341), penetrates through the measuring sleeve (31) to extend into the measuring sleeve, the measuring rod (2) is of a hollow structure, and the cable (343) penetrates through the measuring sleeve (31) and the measuring rod (2).
5. The tunnel vault settlement measurement apparatus of claim 2, wherein: the sensor (34) comprises a displacement sensor body (344) mounted on the outer wall of the measuring sleeve (31) and a sliding sheet (345) mounted on the outer wall of the sensing rod (33), and the displacement sensor body (344) is electrically connected with the data processing module (4).
6. The tunnel vault settlement measurement apparatus of claim 1, wherein: the measuring rod (2) is a telescopic rod, the measuring rod (2) comprises a first mounting rod (21) mounted on the measuring base (1), a second mounting rod (23) slidably connected in the first mounting rod (21) and a third mounting rod (24) slidably connected in the second mounting rod (23), state locking is carried out between two adjacent mounting rods by using a locking joint (6), and the measuring and sensing assembly (3) is mounted at one end of the third mounting rod (24) far away from the second mounting rod (23).
7. The tunnel vault settlement measurement apparatus of claim 6, wherein: the utility model discloses a measuring base, including measuring base (1), first installation pole (21) are kept away from one end of measuring base (1) is formed with connecting portion (22), processing has the external screw thread on the outer wall of connecting portion (22), locking joint (6) include with connecting portion (22) screw-thread fit's rotatory cover (61) and integrated into one piece are in rotatory cover (61) keep away from joint cover (62) of first installation pole (21) one end, joint cover (62) cover is established on second installation pole (23).
8. The tunnel vault settlement measurement apparatus of claim 7, wherein: the clamping sleeve (62) comprises a clamping ring (621) sleeved on the second mounting rod (23) and a slope-shaped abutting ring (622) connected between the clamping ring (621) and the rotating sleeve (61),
the end part of the connecting part (22) is provided with a plurality of notches (221) extending along the longitudinal direction, so that the connecting part (22) comprises a plurality of arc plates (222) with deformation capability, and an abutting surface (223) abutting against the inner wall of the slope-shaped abutting ring (622) is formed at one end of each arc plate (222) far away from the measuring base (1);
the outside cover of second installation pole (23) is equipped with rubber circle (63), rubber circle (63) are located the below of snap ring (621).
9. The tunnel vault settlement measurement apparatus of claim 2, wherein: the measuring and sensing assembly (3) further comprises an arc-shaped contact plate (9) arranged at one end, far away from the measuring sleeve (31), of the sensing rod (33), the shape of the arc-shaped contact plate (9) is attached to the shape of the tunnel vault, a pressure sensor (7) is arranged on the arc-shaped contact plate (9), and the pressure sensor (7) is electrically connected with the data processing module (4).
10. The tunnel vault settlement measurement apparatus of claim 6, wherein: and the hinge fixing assembly (8) is used for realizing the hinge and fixing between the measurement sensing assembly (3) and the third mounting rod (24) and between the first mounting rod (21) and the measurement base (1).
CN202310250158.3A 2023-03-13 2023-03-13 Tunnel vault subsides measuring equipment Pending CN116295247A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117782012A (en) * 2024-02-28 2024-03-29 深圳市特区铁工建设集团有限公司 Early warning system for settlement of primary support arch top of ultra-large section complex geological tunnel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117782012A (en) * 2024-02-28 2024-03-29 深圳市特区铁工建设集团有限公司 Early warning system for settlement of primary support arch top of ultra-large section complex geological tunnel
CN117782012B (en) * 2024-02-28 2024-05-03 深圳市特区铁工建设集团有限公司 Early warning system for settlement of primary support arch top of ultra-large section complex geological tunnel

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